### Basic Info - Commit SHA: 6ff99c98efc6107548ccf07de60ff66339af1b46 ### Bug description Clang 18 MSAN found an use-of-uninitialized-value error at apps/renderer.c:522:26: ``` ==19377==WARNING: MemorySanitizer: use-of-uninitialized-value #0 0x55b76a8b001d in floatToFixed_arrL_app /builds/rep/sa4/audio/ivas-basop/apps/renderer.c:522:26 #1 0x55b76a89e475 in main /builds/rep/sa4/audio/ivas-basop/apps/renderer.c:1364:13 #2 0x7f237cd5f1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #3 0x7f237cd5f28a in __libc_start_main csu/../csu/libc-start.c:360:3 #4 0x55b76a7fe3e4 in _start (/builds/rep/sa4/audio/ivas-basop/IVAS_rend+0x3a3e4) (BuildId: 95a4b3e2a14753d995ecbd30d0f4bf3185fc019d) SUMMARY: MemorySanitizer: use-of-uninitialized-value /builds/rep/sa4/audio/ivas-basop/apps/renderer.c:522:26 in floatToFixed_arrL_app ``` ### How to reproduce :warning: Make sure to use CLANG v18 for building the codec :warning Build with ``` make clean make -j CLANG=1 ``` Then run ``` E subprocess.CalledProcessError: Command '['/builds/rep/sa4/audio/ivas-basop/IVAS_rend', '-i', '/builds/rep/sa4/audio/ivas-basop/scripts/testv/spectral_test_12ch_48kHz.wav', '-if', '/builds/rep/sa4/audio/ivas-basop/scripts/ls_layouts/t_design_4.txt', '-o', '/builds/rep/sa4/audio/ivas-basop/tests/renderer_short/cut/t_design_4_to_MONONone_20msNone_48kHz.wav', '-of', 'MONO', '-fs', '48', '-no_delay_cmp', '-q', '-fr', '20']' returned non-zero exit status 1. ``` or ``` python3 -m pytest "test_custom_ls_input[48kHz-20ms-t_design_4-MONO]" -n auto --update_ref --ref_encoder_path ./IVAS_cod --ref_decoder_path ./IVAS_dec ```